Construction of Protection wall to the flood affected Talpona riverbank on the D/S of Dabel Bandhara in V.P. Poinguinim, Canacona Goa.

Earthwork in excavation by mechanical means (hydraulic excavator) / manual means in foundation pipeline trenches drain (not exceeding 1.5 m in width or 10 sq.m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m. a) All kinds of soil

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Centering and shuttering including struttings, propping etc. and removal of formwork for a) Foundations, footings, bases for columns and mass concrete.

Centering and shuttering including struttings, propping etc. and removal of formwork for b) vertical surfaces such as retaining walls, return walls, walls (any thk) including attached pilasters, buttresses, plinth and string courses, fillets, etc.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggregate 20 mm nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto plinth level

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggregate 20 mm nominal size) excluding cost of centering, shuttering and finishing in: b) In retaining walls, return walls (any thk) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping bed blocks, anchor blocks, plain window sills, fillets etc, upto floor five level.

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while laying pipes of approved the concrete of retaining wall, wing wall and earth retainig structure complete as directed by the Engineer in charge A) 110 mm dia

Providing and laying filter media with Granular materials crushed stone Aggregates satisfying the rerquirement As Per Clause 2504.2.2 of MOSRT & H Specification to a thickness of 500 mm laid horizontally in layers of 250mm thick and compacted to firm condition etc. complete as direction by Engineer-in charge.

Refilling the pipeline / foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.